Home / 3,585.25-5,378.08-1,276.75

Finding the Fourth Proportional to 3,585.25, 5,378.08 and 1,276.75

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Solution

The fourth proportional to 3,585.25, 5,378.08 and 1,276.75 is: 1,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.25 : 5,378.08 = 1,276.75 : x
  2. Step 2: Convert to fraction form
    3,585.25/5,378.08 = 1,276.75/x
  3. Step 3: Cross multiply
    3,585.25x = 5,378.08 × 1,276.75
  4. Step 4: Simplify right side
    3,585.25x = 6,866,463.64
  5. Step 5: Solve for x
    x = 6,866,463.64/3,585.25
  6. Step 6: Final answer
    x = 1,915.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.